chore: add vscode settings to format on save w/ correct settings (#15389)

Author: mmalerba

.github/CODEOWNERS

@@ -257,4 +257,5 @@
 # Misc
 /*                                                 @jelbourn
 /.github/**                                        @jelbourn
+/.vscode/**                                        @mmalerba
 /src/*                                             @jelbourn

.gitignore

@@ -26,7 +26,7 @@ node_modules
 
 # IDEs
 /.idea
-/.vscode
+/.vscode/launch.json
 /*.iml
 
 # misc

.vscode/extensions.json

@@ -0,0 +1,10 @@
+{
+  // See http://go.microsoft.com/fwlink/?LinkId=827846 to learn about workspace recommendations.
+  // Extension identifier format: ${publisher}.${name}. Example: vscode.csharp
+  
+  // List of extensions which should be recommended for users of this workspace.
+  "recommendations": [
+    "ms-vscode.vscode-typescript-tslint-plugin",
+    "xaver.clang-format",
+  ],
+}

.vscode/settings.json

@@ -0,0 +1,25 @@
+{
+  "[javascript]": {
+    "editor.formatOnSave": true,
+  },
+  "[typescript]": {
+    "editor.formatOnSave": true,
+  },
+  // Please install https://marketplace.visualstudio.com/items?itemName=xaver.clang-format to take advantage of `clang-format` in VSCode.
+  // (See https://clang.llvm.org/docs/ClangFormat.html for more info `clang-format`.)
+  "clang-format.executable": "${workspaceRoot}/node_modules/.bin/clang-format",
+  "files.watcherExclude": {
+    "**/.git/objects/**": true,
+    "**/.git/subtree-cache/**": true,
+    "**/node_modules/**": true,
+    "**/bazel-out/**": true,
+    "**/dist/**": true,
+  },
+  "search.exclude": {
+    "**/node_modules": true,
+    "**/bower_components": true,
+    "**/bazel-out": true,
+    "**/dist": true,
+  },
+  "git.ignoreLimitWarning": true,
+}